Enter a clue or pattern or both:
The Clue
Dehydration may help bring this on (10 letter answer)
The Answer
HEATSTROKE
Tags
Notes
The answer HEATSTROKE is so rare that it appears less than once every 2500 puzzles.
Definition
HEATSTROKE as a noun:
1. (heatstroke, heat hyperpyrexia) = collapse caused by exposure to excessive heat